The Web Anti-Virus component is designed to ensure the security while using the Internet. It protects your computer against data coming into your computer via the HTTP and FTP protocols, and also prevents dangerous scripts from being executed on the computer.
Web protection monitors HTTP traffic that passes only through the ports included in the monitored port list. If you use ports that are not on this list, you must add them to the list to protect traffic using these ports.
How to configure Web Anti-Virus
By default the Web Anti-Virus component is enabled and functions in the mode developed by Kaspersky Lab specialists. To change the Web Anti-Virus settings, do the following:
- Open the main program window.
- At the upper right part of the window, click the Settings button.
- In the Settings window go to the Protection Center tab and select Web Anti-Virus.
- You can change the Web Anti-Virus settings in the right part of the Settings window:
- enable of disable the component by checking or clearing the Enable Web Anti-Virus box
- configure the security level
- select an action on threat detection
- Save the settings after making any changes by clicking the OK button in the Settings window.
- Close the main program window.
Web Anti-Virus includes some modes, which are called security levels. The security level is defined as a preset configuration of Web Anti-Virus settings distinguished by Kaspersky Lab specialists. Three security levels are designed in Kaspersky Anti-Virus 2013:
- High. This security level is recommended for sensitive environments when no other HTTP security tools are being used (firewall, proxy server).
- Recommended. This security level is optimal for using in most situations, because it is balanced based on system resources use and provides high protection level.
- Low. Use this security level if you have additional HTTP traffic protection tools installed on your computer (firewall, proxy server etc.).
Actions on threat detection
Each web page or file that is accessed by the user, or by a program via the HTTP and FTP protocols, is intercepted and analyzed for malicious code by Web Anti-Virus. Malicious objects are detected using both Kaspersky Anti-Virus 2013 databases and the heuristic algorithm. The database contains descriptions of all the malicious programs known to date and methods for neutralizing them. The heuristic algorithm can detect new viruses that have not yet been entered in the database. Once analysis of an HTTP object shows that it contains malicious code, the response by the Web Anti-Virus component depends on the action you have selected.
You can select one of the following actions to be performed by Web Anti-Virus:
- Select action automatically. If you select this variant, then the application will select actions on detected threats automatically.
- Block download. Web Anti-virus blocks an object and issues a pop-up message that informs the user that an object or a page is infected.
- Allow download. Web Anti-Virus does not block an object or a page. After an object is downloaded it will be scanned by File Anti-Virus.
Please note: if you are working in automatic protection mode, then Kaspersky Anti-Virus 2013 will automatically apply the action when dangerous objects are detected.